Before hiring from abroad the employer has to get a Labor Certification application approved by the Department of Labor. PERM, Program Electronic Review Management, is a Labor Certification application process that came into effect on March 28, 2005.
card - thin cardboard, usually rectangular. corrugated board, corrugated cardboard - cardboard with corrugations (can be glued to flat cardboard on one or both sides) paperboard, poster board, posterboard - a cardboard suitable for making posters. pasteboard - stiff cardboard made by pasting together layers of paper. strawboard - a coarse yellow cardboard made of straw pulp. paper - a material made of cellulose pulp derived mainly from wood or rags or certain grasses.
Corrugated boxes (known also as âcombined boardâ, âcorrugated fiberboardâ, or âcorrugated boardâ) are composed of two main elements: Both of these elements are made from the same type of robust paper called containerboard. Medium â the center fluted (corrugated) material, sometimes called âcorrugated mediumâ.